linux-kernel - Re: [PATCH v4 5/6] dt-bindings: iio: adc: adi-axi-adc: add ad7405 example

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Message-ID: <d30f6935-45f0-4422-a989-1103e7802ca6@baylibre.com>
Date: Mon, 19 May 2025 10:19:19 -0500
From: David Lechner <dlechner@...libre.com>
To: Pop Ioan Daniel <pop.ioan-daniel@...log.com>,
 Lars-Peter Clausen <lars@...afoo.de>,
 Michael Hennerich <Michael.Hennerich@...log.com>,
 Jonathan Cameron <jic23@...nel.org>, Nuno Sá
 <nuno.sa@...log.com>, Andy Shevchenko <andy@...nel.org>,
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>,
 Sergiu Cuciurean <sergiu.cuciurean@...log.com>,
 Dragos Bogdan <dragos.bogdan@...log.com>,
 Antoniu Miclaus <antoniu.miclaus@...log.com>,
 Olivier Moysan <olivier.moysan@...s.st.com>,
 Javier Carrasco <javier.carrasco.cruz@...il.com>,
 Matti Vaittinen <mazziesaccount@...il.com>,
 Tobias Sperling <tobias.sperling@...ting.com>,
 Alisa-Dariana Roman <alisadariana@...il.com>,
 Marcelo Schmitt <marcelo.schmitt@...log.com>,
 João Paulo Gonçalves <joao.goncalves@...adex.com>,
 Esteban Blanc <eblanc@...libre.com>, linux-iio@...r.kernel.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 5/6] dt-bindings: iio: adc: adi-axi-adc: add ad7405
 example

On 5/19/25 9:02 AM, Pop Ioan Daniel wrote:
> The ad7405 device is defined as a child of the AXI ADC.
> 
> Signed-off-by: Pop Ioan Daniel <pop.ioan-daniel@...log.com>
> ---
> changes in v4:
>  - add ad7405 device that is defined as a child of the AXI ADC
>  .../bindings/iio/adc/adi,axi-adc.yaml           | 17 +++++++++++++++++
>  1 file changed, 17 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/iio/adc/adi,axi-adc.yaml b/Documentation/devicetree/bindings/iio/adc/adi,axi-adc.yaml
> index cf74f84d6103..a6bc8acd101f 100644
> --- a/Documentation/devicetree/bindings/iio/adc/adi,axi-adc.yaml
> +++ b/Documentation/devicetree/bindings/iio/adc/adi,axi-adc.yaml
> @@ -135,4 +135,21 @@ examples:
>              io-backends = <&parallel_bus_controller>;
>          };
>      };
> +  - |
> +    axi_adc@...00000 {
> +        compatible = "adi,axi-adc-10.0.a";
> +        reg = <0x44a00000 0x10000>;
> +        dmas = <&rx_dma 0>;
> +        dma-names = "rx";
> +        clocks = <&axi_clk>;
> +        #io-backend-cells = <0>;
> +
> +        adc@0 {
> +            compatible = "adi,ad7405";
> +            clocks = <&axi_clk_gen 0>;
> +            vdd1-supply = <&vdd1>;
> +            vdd2-supply = <&vdd2>;
> +            io-backends = <&axi_adc>;
> +        };
> +    };
>  ...

I think this example would be better placed in the adi,ad7405 binding.